Description

1,2,3,6-Tetrahydro-4-(4-Methylpent-3-Enyl)Phthalic Anhydride is a specialized cyclic anhydride derivative with a reactive, unsaturated side chain. This compound matters as a versatile chemical intermediate, offering a unique combination of an anhydride functional group and an alkenyl moiety for advanced polymer synthesis and fine chemical manufacturing. It is primarily needed by R&D chemists and production engineers in the polymer, resin, and specialty chemical industries seeking to develop novel materials with tailored properties.

Application

• Epoxy Resin Curing Agent & Modifier: Used as a reactive intermediate to synthesize novel curing agents or to modify existing ones, imparting flexibility and improved thermal/chemical resistance to epoxy systems.
• Polymer & Polyimide Precursor: Serves as a key monomer in the synthesis of specialty polymers, including polyimides and polyamide-imides, for high-performance films, coatings, and engineering plastics.
• Alkyd & Unsaturated Polyester Resins: Incorporated as a modifying agent to enhance the drying properties, flexibility, and durability of surface coatings and composite materials.
• Fine Chemical & Pharmaceutical Intermediate: Utilized in multi-step organic synthesis to build complex molecular architectures for active pharmaceutical ingredients (APIs) and agrochemicals.
• Adhesive & Sealant Formulations: Acts as a cross-linking agent or rheology modifier in high-performance adhesive and sealant products.
• Research & Development: A valuable building block in academic and industrial R&D for exploring new reactions and material properties.

Basic Information

Product Name	1,2,3,6-Tetrahydro-4-(4-Methylpent-3-Enyl)Phthalic Anhydride
CAS No.	29811-04-9
Molecular Formula	C14H18O3
Molecular Weight	234.29 g/mol
Synonyms	4-(4-Methyl-3-pentenyl)-1,2,3,6-tetrahydrophthalic anhydride; 4-(4-Methylpent-3-en-1-yl)-1,2,3,6-tetrahydrophthalic anhydride; 1,2,3,6-Tetrahydro-4-(4-methyl-3-pentenyl)phthalic anhydride; 4-(4-Methyl-3-pentenyl)-δ4-tetrahydrophthalic anhydride; MTHPA derivative (unsaturated); Tetrahydrophthalic anhydride, 4-(4-methyl-3-pentenyl)-; 29811-04-9; 4-(4-Methylpent-3-enyl)-1,2,3,6-tetrahydrophthalic anhydride
EINECS	Contact for details

Quality Control

Our 1,2,3,6-Tetrahydro-4-(4-Methylpent-3-Enyl)Phthalic Anhydride is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.